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dtk-z3-solver-deno-v2

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This directory contains JavaScript code to automatically derive TypeScript bindings for the C API, which are published on npm as [z3-solver](https://www.npmjs.com/package/z3-solver).

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var initZ3 = (() => { var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined; if (typeof __filename != 'undefined') _scriptName = _scriptName || __filename; return ( async function(moduleArg = {}) { var moduleRtn; // include: shell.js // The Module object: Our interface to the outside world. We import // and export values on it. There are various ways Module can be used: // 1. Not defined. We create it here // 2. A function parameter, function(moduleArg) => Promise<Module> // 3. pre-run appended it, var Module = {}; ..generated code.. // 4. External script tag defines var Module. // We need to check if Module already exists (e.g. case 3 above). // Substitution will be replaced with actual code on later stage of the build, // this way Closure Compiler will not mangle it (e.g. case 4. above). // Note that if you want to run closure, and also to use Module // after the generated code, you will need to define var Module = {}; // before the code. Then that object will be used in the code, and you // can continue to use Module afterwards as well. var Module = moduleArg; // Set up the promise that indicates the Module is initialized var readyPromiseResolve, readyPromiseReject; var readyPromise = new Promise((resolve, reject) => { readyPromiseResolve = resolve; readyPromiseReject = reject; }); // Determine the runtime environment we are in. You can customize this by // setting the ENVIRONMENT setting at compile time (see settings.js). // Attempt to auto-detect the environment var ENVIRONMENT_IS_WEB = typeof window == 'object'; var ENVIRONMENT_IS_WORKER = typeof WorkerGlobalScope != 'undefined'; // N.b. Electron.js environment is simultaneously a NODE-environment, but // also a web environment. var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string' && process.type != 'renderer'; var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; // Three configurations we can be running in: // 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false) // 2) We could be the application main() thread proxied to worker. (with Emscripten -sPROXY_TO_WORKER) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false) // 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true) // The way we signal to a worker that it is hosting a pthread is to construct // it with a specific name. var ENVIRONMENT_IS_PTHREAD = ENVIRONMENT_IS_WORKER && self.name?.startsWith('em-pthread'); if (ENVIRONMENT_IS_PTHREAD) { assert(!globalThis.moduleLoaded, 'module should only be loaded once on each pthread worker'); globalThis.moduleLoaded = true; } if (ENVIRONMENT_IS_NODE) { var worker_threads = require('worker_threads'); global.Worker = worker_threads.Worker; ENVIRONMENT_IS_WORKER = !worker_threads.isMainThread; // Under node we set `workerData` to `em-pthread` to signal that the worker // is hosting a pthread. ENVIRONMENT_IS_PTHREAD = ENVIRONMENT_IS_WORKER && worker_threads['workerData'] == 'em-pthread' } // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define Module) // include: src/low-level/async-wrapper.js // this wrapper works with async-fns to provide promise-based off-thread versions of some functions // It's prepended directly by emscripten to the resulting z3-built.js let threadTimeouts = []; let capability = null; function resolve_async(val) { // setTimeout is a workaround for https://github.com/emscripten-core/emscripten/issues/15900 if (capability == null) { return; } let cap = capability; capability = null; setTimeout(() => { cap.resolve(val); }, 0); } function reject_async(val) { if (capability == null) { return; } let cap = capability; capability = null; setTimeout(() => { cap.reject(val); }, 0); } Module.async_call = function (f, ...args) { if (capability !== null) { throw new Error(`you can't execute multiple async functions at the same time; let the previous one finish first`); } let promise = new Promise((resolve, reject) => { capability = { resolve, reject }; }); f(...args); return promise; }; // end include: src/low-level/async-wrapper.js // Sometimes an existing Module object exists with properties // meant to overwrite the default module functionality. Here // we collect those properties and reapply _after_ we configure // the current environment's defaults to avoid having to be so // defensive during initialization. var moduleOverrides = {...Module}; var arguments_ = []; var thisProgram = './this.program'; var quit_ = (status, toThrow) => { throw toThrow; }; // `/` should be present at the end if `scriptDirectory` is not empty var scriptDirectory = ''; function locateFile(path) { if (Module['locateFile']) { return Module['locateFile'](path, scriptDirectory); } return scriptDirectory + path; } // Hooks that are implemented differently in different runtime environments. var readAsync, readBinary; if (ENVIRONMENT_IS_NODE) { if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); var nodeVersion = process.versions.node; var numericVersion = nodeVersion.split('.').slice(0, 3); numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1); var minVersion = 160400; if (numericVersion < 160400) { throw new Error('This emscripten-generated code requires node v16.04.4.0 (detected v' + nodeVersion + ')'); } // These modules will usually be used on Node.js. Load them eagerly to avoid // the complexity of lazy-loading. var fs = require('fs'); var nodePath = require('path'); scriptDirectory = __dirname + '/'; // include: node_shell_read.js readBinary = (filename) => { // We need to re-wrap `file://` strings to URLs. filename = isFileURI(filename) ? new URL(filename) : filename; var ret = fs.readFileSync(filename); assert(Buffer.isBuffer(ret)); return ret; }; readAsync = async (filename, binary = true) => { // See the comment in the `readBinary` function. filename = isFileURI(filename) ? new URL(filename) : filename; var ret = fs.readFileSync(filename, binary ? undefined : 'utf8'); assert(binary ? Buffer.isBuffer(ret) : typeof ret == 'string'); return ret; }; // end include: node_shell_read.js if (!Module['thisProgram'] && process.argv.length > 1) { thisProgram = process.argv[1].replace(/\\/g, '/'); } arguments_ = process.argv.slice(2); // MODULARIZE will export the module in the proper place outside, we don't need to export here quit_ = (status, toThrow) => { process.exitCode = status; throw toThrow; }; } else if (ENVIRONMENT_IS_SHELL) { if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof WorkerGlobalScope != 'undefined') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); } else // Note that this includes Node.js workers when relevant (pthreads is enabled). // Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and // ENVIRONMENT_IS_NODE. if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled scriptDirectory = self.location.href; } else if (typeof document != 'undefined' && document.currentScript) { // web scriptDirectory = document.currentScript.src; } // When MODULARIZE, this JS may be executed later, after document.currentScript // is gone, so we saved it, and we use it here instead of any other info. if (_scriptName) { scriptDirectory = _scriptName; } // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. // otherwise, slice off the final part of the url to find the script directory. // if scriptDirectory does not contain a slash, lastIndexOf will return -1, // and scriptDirectory will correctly be replaced with an empty string. // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #), // they are removed because they could contain a slash. if (scriptDirectory.startsWith('blob:')) { scriptDirectory = ''; } else { scriptDirectory = scriptDirectory.slice(0, scriptDirectory.replace(/[?#].*/, '').lastIndexOf('/')+1); } if (!(typeof window == 'object' || typeof WorkerGlobalScope != 'undefined')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); // Differentiate the Web Worker from the Node Worker case, as reading must // be done differently. if (!ENVIRONMENT_IS_NODE) { // include: web_or_worker_shell_read.js if (ENVIRONMENT_IS_WORKER) { readBinary = (url) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); xhr.responseType = 'arraybuffer'; xhr.send(null); return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); }; } readAsync = async (url) => { // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. // See https://github.com/github/fetch/pull/92#issuecomment-140665932 // Cordova or Electron apps are typically loaded from a file:// url. // So use XHR on webview if URL is a file URL. if (isFileURI(url)) { return new Promise((resolve, reject) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.responseType = 'arraybuffer'; xhr.onload = () => { if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 resolve(xhr.response); return; } reject(xhr.status); }; xhr.onerror = reject; xhr.send(null); }); } var response = await fetch(url, { credentials: 'same-origin' }); if (response.ok) { return response.arrayBuffer(); } throw new Error(response.status + ' : ' + response.url); }; // end include: web_or_worker_shell_read.js } } else { throw new Error('environment detection error'); } // Set up the out() and err() hooks, which are how we can print to stdout or // stderr, respectively. // Normally just binding console.log/console.error here works fine, but // under node (with workers) we see missing/out-of-order messages so route // directly to stdout and stderr. // See https://github.com/emscripten-core/emscripten/issues/14804 var defaultPrint = console.log.bind(console); var defaultPrintErr = console.error.bind(console); if (ENVIRONMENT_IS_NODE) { defaultPrint = (...args) => fs.writeSync(1, args.join(' ') + '\n'); defaultPrintErr = (...args) => fs.writeSync(2, args.join(' ') + '\n'); } var out = Module['print'] || defaultPrint; var err = Module['printErr'] || defaultPrintErr; // Merge back in the overrides Object.assign(Module, moduleOverrides); // Free the object hierarchy contained in the overrides, this lets the GC // reclaim data used. moduleOverrides = null; checkIncomingModuleAPI(); // Emit code to handle expected values on the Module object. This applies Module.x // to the proper local x. This has two benefits: first, we only emit it if it is // expected to arrive, and second, by using a local everywhere else that can be // minified. if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); // perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message // Assertions on removed incoming Module JS APIs. assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['read'] == 'undefined', 'Module.read option was removed'); assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify emscripten_set_window_title in JS)'); assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); legacyModuleProp('asm', 'wasmExports'); legacyModuleProp('readAsync', 'readAsync'); legacyModuleProp('readBinary', 'readBinary'); legacyModuleProp('setWindowTitle', 'setWindowTitle'); var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; var FETCHFS = 'FETCHFS is no longer included by default; build with -lfetchfs.js'; var ICASEFS = 'ICASEFS is no longer included by default; build with -licasefs.js'; var JSFILEFS = 'JSFILEFS is no longer included by default; build with -ljsfilefs.js'; var OPFS = 'OPFS is no longer included by default; build with -lopfs.js'; var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; assert( ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER || ENVIRONMENT_IS_NODE, 'Pthreads do not work in this environment yet (need Web Workers, or an alternative to them)'); assert(!ENVIRONMENT_IS_SHELL, 'shell environment detected but not enabled at build time. Add `shell` to `-sENVIRONMENT` to enable.'); // end include: shell.js // include: preamble.js // === Preamble library stuff === // Documentation for the public APIs defined in this file must be updated in: // site/source/docs/api_reference/preamble.js.rst // A prebuilt local version of the documentation is available at: // site/build/text/docs/api_reference/preamble.js.txt // You can also build docs locally as HTML or other formats in site/ // An online HTML version (which may be of a different version of Emscripten) // is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html var wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); if (typeof WebAssembly != 'object') { err('no native wasm support detected'); } // Wasm globals var wasmMemory; // For sending to workers. var wasmModule; //======================================== // Runtime essentials //======================================== // whether we are quitting the application. no code should run after this. // set in exit() and abort() var ABORT = false; // set by exit() and abort(). Passed to 'onExit' handler. // NOTE: This is also used as the process return code code in shell environments // but only when noExitRuntime is false. var EXITSTATUS; // In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we // don't define it at all in release modes. This matches the behaviour of // MINIMAL_RUNTIME. // TODO(sbc): Make this the default even without STRICT enabled. /** @type {function(*, string=)} */ function assert(condition, text) { if (!condition) { abort('Assertion failed' + (text ? ': ' + text : '')); } } // We used to include malloc/free by default in the past. Show a helpful error in // builds with assertions. // Memory management var HEAP, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /* BigInt64Array type is not correctly defined in closure /** not-@type {!BigInt64Array} */ HEAP64, /* BigUint64Array type is not correctly defined in closure /** not-t@type {!BigUint64Array} */ HEAPU64, /** @type {!Float64Array} */ HEAPF64; var runtimeInitialized = false; /** * Indicates whether filename is delivered via file protocol (as opposed to http/https) * @noinline */ var isFileURI = (filename) => filename.startsWith('file://'); // include: runtime_shared.js // include: runtime_stack_check.js // Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. function writeStackCookie() { var max = _emscripten_stack_get_end(); assert((max & 3) == 0); // If the stack ends at address zero we write our cookies 4 bytes into the // stack. This prevents interference with SAFE_HEAP and ASAN which also // monitor writes to address zero. if (max == 0) { max += 4; } // The stack grow downwards towards _emscripten_stack_get_end. // We write cookies to the final two words in the stack and detect if they are // ever overwritten. HEAPU32[((max)>>2)] = 0x02135467; HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE; // Also test the global address 0 for integrity. HEAPU32[((0)>>2)] = 1668509029; } function checkStackCookie() { if (ABORT) return; var max = _emscripten_stack_get_end(); // See writeStackCookie(). if (max == 0) { max += 4; } var cookie1 = HEAPU32[((max)>>2)]; var cookie2 = HEAPU32[(((max)+(4))>>2)]; if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) { abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`); } // Also test the global address 0 for integrity. if (HEAPU32[((0)>>2)] != 0x63736d65 /* 'emsc' */) { abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); } } // end include: runtime_stack_check.js // include: runtime_exceptions.js // Base Emscripten EH error class class EmscriptenEH extends Error {} class EmscriptenSjLj extends EmscriptenEH {} class CppException extends EmscriptenEH { constructor(excPtr) { super(excPtr); this.excPtr = excPtr; const excInfo = getExceptionMessage(excPtr); this.name = excInfo[0]; this.message = excInfo[1]; } } // end include: runtime_exceptions.js // include: runtime_debug.js // Endianness check (() => { var h16 = new Int16Array(1); var h8 = new Int8Array(h16.buffer); h16[0] = 0x6373; if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)'; })(); if (Module['ENVIRONMENT']) { throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)'); } function legacyModuleProp(prop, newName, incoming=true) { if (!Object.getOwnPropertyDescriptor(Module, prop)) { Object.defineProperty(Module, prop, { configurable: true, get() { let extra = incoming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : ''; abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra); } }); } } function consumedModuleProp(prop) { if (!Object.getOwnPropertyDescriptor(Module, prop)) { Object.defineProperty(Module, prop, { configurable: true, set() { abort(`Attempt to set \`Module.${prop}\` after it has already been processed. This can happen, for example, when code is injected via '--post-js' rather than '--pre-js'`); } }); } } function ignoredModuleProp(prop) { if (Object.getOwnPropertyDescriptor(Module, prop)) { abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`); } } // forcing the filesystem exports a few things by default function isExportedByForceFilesystem(name) { return name === 'FS_createPath' || name === 'FS_createDataFile' || name === 'FS_createPreloadedFile' || name === 'FS_unlink' || name === 'addRunDependency' || // The old FS has some functionality that WasmFS lacks. name === 'FS_createLazyFile' || name === 'FS_createDevice' || name === 'removeRunDependency'; } /** * Intercept access to a global symbol. This enables us to give informative * warnings/errors when folks attempt to use symbols they did not include in * their build, or no symbols that no longer exist. */ function hookGlobalSymbolAccess(sym, func) { // In MODULARIZE mode the generated code runs inside a function scope and not // the global scope, and JavaScript does not provide access to function scopes // so we cannot dynamically modify the scrope using `defineProperty` in this // case. // // In this mode we simply ignore requests for `hookGlobalSymbolAccess`. Since // this is a debug-only feature, skipping it is not major issue. } function missingGlobal(sym, msg) { hookGlobalSymbolAccess(sym, () => { warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`); }); } missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer'); missingGlobal('asm', 'Please use wasmExports instead'); function missingLibrarySymbol(sym) { hookGlobalSymbolAccess(sym, () => { // Can't `abort()` here because it would break code that does runtime // checks. e.g. `if (typeof SDL === 'undefined')`. var msg = `\`${sym}\` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line`; // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in // library.js, which means $name for a JS name with no prefix, or name // for a JS name like _name. var librarySymbol = sym; if (!librarySymbol.startsWith('_')) { librarySymbol = '$' + sym; } msg += ` (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='${librarySymbol}')`; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } warnOnce(msg); }); // Any symbol that is not included from the JS library is also (by definition) // not exported on the Module object. unexportedRuntimeSymbol(sym); } function unexportedRuntimeSymbol(sym) { if (ENVIRONMENT_IS_PTHREAD) { return; } if (!Object.getOwnPropertyDescriptor(Module, sym)) { Object.defineProperty(Module, sym, { configurable: true, get() { var msg = `'${sym}' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)`; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } abort(msg); } }); } } var runtimeDebug = true; // Switch to false at runtime to disable logging at the right times // Used by XXXXX_DEBUG settings to output debug messages. function dbg(...args) { if (!runtimeDebug && typeof runtimeDebug != 'undefined') return; // Avoid using the console for debugging in multi-threaded node applications // See https://github.com/emscripten-core/emscripten/issues/14804 if (ENVIRONMENT_IS_NODE && fs) { fs.writeSync(2, args.join(' ') + '\n'); } else // TODO(sbc): Make this configurable somehow. Its not always convenient for // logging to show up as warnings. console.warn(...args); } // end include: runtime_debug.js // include: memoryprofiler.js // end include: memoryprofiler.js // include: runtime_pthread.js // Pthread Web Worker handling code. // This code runs only on pthread web workers and handles pthread setup // and communication with the main thread via postMessage. // Unique ID of the current pthread worker (zero on non-pthread-workers // including the main thread). var workerID = 0; if (ENVIRONMENT_IS_PTHREAD) { var wasmModuleReceived; // Node.js support if (ENVIRONMENT_IS_NODE) { // Create as web-worker-like an environment as we can. var parentPort = worker_threads['parentPort']; parentPort.on('message', (msg) => onmessage({ data: msg })); Object.assign(globalThis, { self: global, postMessage: (msg) => parentPort.postMessage(msg), }); } // Thread-local guard variable for one-time init of the JS state var initializedJS = false; function threadPrintErr(...args) { // See https://github.com/emscripten-core/emscripten/issues/14804 if (ENVIRONMENT_IS_NODE) { fs.writeSync(2, args.join(' ') + '\n'); return; } console.error(...args); } if (!Module['printErr']) err = threadPrintErr; // Turn unhandled rejected promises into errors so that the main thread will be // notified about them. self.onunhandledrejection = (e) => { throw e.reason || e; }; function handleMessage(e) { try { var msgData = e['data']; //dbg('msgData: ' + Object.keys(msgData)); var cmd = msgData.cmd; if (cmd === 'load') { // Preload command that is called once per worker to parse and load the Emscripten code. workerID = msgData.workerID; // Until we initialize the runtime, queue up any further incoming messages. let messageQueue = []; self.onmessage = (e) => messageQueue.push(e); // And add a callback for when the runtime is initialized. self.startWorker = (instance) => { // Notify the main thread that this thread has loaded. postMessage({ cmd: 'loaded' }); // Process any messages that were queued before the thread was ready. for (let msg of messageQueue) { handleMessage(msg); } // Restore the real message handler. self.onmessage = handleMessage; }; // Use `const` here to ensure that the variable is scoped only to // that iteration, allowing safe reference from a closure. for (const handler of msgData.handlers) { // The the main module has a handler for a certain even, but no // handler exists on the pthread worker, then proxy that handler // back to the main thread. if (!Module[handler] || Module[handler].proxy) { Module[handler] = (...args) => { postMessage({ cmd: 'callHandler', handler, args: args }); } // Rebind the out / err handlers if needed if (handler == 'print') out = Module[handler]; if (handler == 'printErr') err = Module[handler]; } } wasmMemory = msgData.wasmMemory; updateMemoryViews(); wasmModuleReceived(msgData.wasmModule); } else if (cmd === 'run') { assert(msgData.pthread_ptr); // Call inside JS module to set up the stack frame for this pthread in JS module scope. // This needs to be the first thing that we do, as we cannot call to any C/C++ functions // until the thread stack is initialized. establishStackSpace(msgData.pthread_ptr); // Pass the thread address to wasm to store it for fast access. __emscripten_thread_init(msgData.pthread_ptr, /*is_main=*/0, /*is_runtime=*/0, /*can_block=*/1, 0, 0); PThread.threadInitTLS(); // Await mailbox notifications with `Atomics.waitAsync` so we can start // using the fast `Atomics.notify` notification path. __emscripten_thread_mailbox_await(msgData.pthread_ptr); if (!initializedJS) { initializedJS = true; } try { invokeEntryPoint(msgData.start_routine, msgData.arg); } catch(ex) { if (ex != 'unwind') { // The pthread "crashed". Do not call `_emscripten_thread_exit` (which // would make this thread joinable). Instead, re-throw the exception // and let the top level handler propagate it back to the main thread. throw ex; } } } else if (msgData.target === 'setimmediate') { // no-op } else if (cmd === 'checkMailbox') { if (initializedJS) { checkMailbox(); } } else if (cmd) { // The received message looks like something that should be handled by this message // handler, (since there is a cmd field present), but is not one of the // recognized commands: err(`worker: received unknown command ${cmd}`); err(msgData); } } catch(ex) { err(`worker: onmessage() captured an uncaught exception: ${ex}`); if (ex?.stack) err(ex.stack); __emscripten_thread_crashed(); throw ex; } }; self.onmessage = handleMessage; } // ENVIRONMENT_IS_PTHREAD // end include: runtime_pthread.js function updateMemoryViews() { var b = wasmMemory.buffer; Module['HEAP8'] = HEAP8 = new Int8Array(b); Module['HEAP16'] = HEAP16 = new Int16Array(b); Module['HEAPU8'] = HEAPU8 = new Uint8Array(b); Module['HEAPU16'] = HEAPU16 = new Uint16Array(b); Module['HEAP32'] = HEAP32 = new Int32Array(b); Module['HEAPU32'] = HEAPU32 = new Uint32Array(b); Module['HEAPF32'] = HEAPF32 = new Float32Array(b); Module['HEAPF64'] = HEAPF64 = new Float64Array(b); Module['HEAP64'] = HEAP64 = new BigInt64Array(b); Module['HEAPU64'] = HEAPU64 = new BigUint64Array(b); } // end include: runtime_shared.js assert(!Module['STACK_SIZE'], 'STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time') assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, 'JS engine does not provide full typed array support'); // In non-standalone/normal mode, we create the memory here. // include: runtime_init_memory.js // Create the wasm memory. (Note: this only applies if IMPORTED_MEMORY is defined) // check for full engine support (use string 'subarray' to avoid closure compiler confusion) if (!ENVIRONMENT_IS_PTHREAD) { if (Module['wasmMemory']) { wasmMemory = Module['wasmMemory']; } else { var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 2147483648;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY'); assert(INITIAL_MEMORY >= 20971520, 'INITIAL_MEMORY should be larger than STACK_SIZE, was ' + INITIAL_MEMORY + '! (STACK_SIZE=' + 20971520 + ')'); /** @suppress {checkTypes} */ wasmMemory = new WebAssembly.Memory({ 'initial': INITIAL_MEMORY / 65536, 'maximum': INITIAL_MEMORY / 65536, 'shared': true, }); } updateMemoryViews(); } // end include: runtime_init_memory.js function preRun() { assert(!ENVIRONMENT_IS_PTHREAD); // PThreads reuse the runtime from the main thread. if (Module['preRun']) { if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; while (Module['preRun'].length) { addOnPreRun(Module['preRun'].shift()); } } consumedModuleProp('preRun'); callRuntimeCallbacks(onPreRuns); } function initRuntime() { assert(!runtimeInitialized); runtimeInitialized = true; if (ENVIRONMENT_IS_PTHREAD) return startWorker(Module); checkStackCookie(); if (!Module['noFSInit'] && !FS.initialized) FS.init(); TTY.init(); wasmExports['__wasm_call_ctors'](); FS.ignorePermissions = false; } function postRun() { checkStackCookie(); if (ENVIRONMENT_IS_PTHREAD) return; // PThreads reuse the runtime from the main thread. if (Module['postRun']) { if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; while (Module['postRun'].length) { addOnPostRun(Module['postRun'].shift()); } } consumedModuleProp('postRun'); callRuntimeCallbacks(onPostRuns); } // A counter of dependencies for calling run(). If we need to // do asynchronous work before running, increment this and // decrement it. Incrementing must happen in a place like // Module.preRun (used by emcc to add file preloading). // Note that you can add dependencies in preRun, even though // it happens right before run - run will be postponed until // the dependencies are met. var runDependencies = 0; var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled var runDependencyTracking = {}; var runDependencyWatcher = null; function getUniqueRunDependency(id) { var orig = id; while (1) { if (!runDependencyTracking[id]) return id; id = orig + Math.random(); } } function addRunDependency(id) { runDependencies++; Module['monitorRunDependencies']?.(runDependencies); if (id) { assert(!runDependencyTracking[id]); runDependencyTracking[id] = 1; if (runDependencyWatcher === null && typeof setInterval != 'undefined') { // Check for missing dependencies every few seconds runDependencyWatcher = setInterval(() => { if (ABORT) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; return; } var shown = false; for (var dep in runDependencyTracking) { if (!shown) { shown = true; err('still waiting on run dependencies:'); } err(`dependency: ${dep}`); } if (shown) { err('(end of list)'); } }, 10000); } } else { err('warning: run dependency added without ID'); } } function removeRunDependency(id) { runDependencies--; Module['monitorRunDependencies']?.(runDependencies); if (id) { assert(runDependencyTracking[id]); delete runDependencyTracking[id]; } else { err('warning: run dependency removed without ID'); } if (runDependencies == 0) { if (runDependencyWatcher !== null) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; } if (dependenciesFulfilled) { var callback = dependenciesFulfilled; dependenciesFulfilled = null; callback(); // can add another dependenciesFulfilled } } } /** @param {string|number=} what */ function abort(what) { Module['onAbort']?.(what); what = 'Aborted(' + what + ')'; // TODO(sbc): Should we remove printing and leave it up to whoever // catches the exception? err(what); ABORT = true; // Use a wasm runtime error, because a JS error might be seen as a foreign // exception, which means we'd run destructors on it. We need the error to // simply make the program stop. // FIXME This approach does not work in Wasm EH because it currently does not assume // all RuntimeErrors are from traps; it decides whether a RuntimeError is from // a trap or not based on a hidden field within the object. So at the moment // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that // allows this in the wasm spec. // Suppress closure compiler warning here. Closure compiler's builtin extern // definition for WebAssembly.RuntimeError claims it takes no arguments even // though it can. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what); readyPromiseReject(e); // Throw the error whether or not MODULARIZE is set because abort is used // in code paths apart from instantiation where an exception is expected // to be thrown when abort is called. throw e; } function createExportWrapper(name, nargs) { return (...args) => { assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`); var f = wasmExports[name]; assert(f, `exported native function \`${name}\` not found`); // Only assert for too many arguments. Too few can be valid since the missing arguments will be zero filled. assert(args.length <= nargs, `native function \`${name}\` called with ${args.length} args but expects ${nargs}`); return f(...args); }; } var wasmBinaryFile; function findWasmBinary() { return locateFile('z3-built.wasm'); } function getBinarySync(file) { if (file == wasmBinaryFile && wasmBinary) { return new Uint8Array(wasmBinary); } if (readBinary) { return readBinary(file); } throw 'both async and sync fetching of the wasm failed'; } async function getWasmBinary(binaryFile) { // If we don't have the binary yet, load it asynchronously using readAsync. if (!wasmBinary) { // Fetch the binary using readAsync try { var response = await readAsync(binaryFile); return new Uint8Array(response); } catch { // Fall back to getBinarySync below; } } // Otherwise, getBinarySync should be able to get it synchronously return getBinarySync(binaryFile); } async function instantiateArrayBuffer(binaryFile, imports) { try { var binary = await getWasmBinary(binaryFile); var instance = await WebAssembly.instantiate(binary, imports); return instance; } catch (reason) { err(`failed to asynchronously prepare wasm: ${reason}`); // Warn on some common problems. if (isFileURI(wasmBinaryFile)) { err(`warning: Loading from a file URI (${wasmBinaryFile}) is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing`); } abort(reason); } } async function instantiateAsync(binary, binaryFile, imports) { if (!binary && typeof WebAssembly.instantiateStreaming == 'function' // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. && !isFileURI(binaryFile) // Avoid instantiateStreaming() on Node.js environment for now, as while // Node.js v18.1.0 implements it, it does not have a full fetch() // implementation yet. // // Reference: // https://github.com/emscripten-core/emscripten/pull/16917 && !ENVIRONMENT_IS_NODE ) { try { var response = fetch(binaryFile, { credentials: 'same-origin' }); var instantiationResult = await WebAssembly.instantiateStreaming(response, imports); return instantiationResult; } catch (reason) { // We expect the most common failure cause to be a bad MIME type for the binary, // in which case falling back to ArrayBuffer instantiation should work. err(`wasm streaming compile failed: ${reason}`); err('falling back to ArrayBuffer instantiation'); // fall back of instantiateArrayBuffer below }; } return instantiateArrayBuffer(binaryFile, imports); } function getWasmImports() { assignWasmImports(); // prepare imports return { 'env': wasmImports, 'wasi_snapshot_preview1': wasmImports, } } // Create the wasm instance. // Receives the wasm imports, returns the exports. async function createWasm() { // Load the wasm module and create an instance of using native support in the JS engine. // handle a generated wasm instance, receiving its exports and // performing other necessary setup /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) { wasmExports = instance.exports; registerTLSInit(wasmExports['_emscripten_tls_init']); wasmTable = wasmExports['__indirect_function_table']; assert(wasmTable, 'table not found in wasm exports'); // We now have the Wasm module loaded up, keep a reference to the compiled module so we can post it to the workers. wasmModule = module; removeRunDependency('wasm-instantiate'); return wasmExports; } // wait for the pthread pool (if any) addRunDependency('wasm-instantiate'); // Prefer streaming instantiation if available. // Async compilation can be confusing when an error on the page overwrites Module // (for example, if the order of elements is wrong, and the one defining Module is // later), so we save Module and check it later. var trueModule = Module; function receiveInstantiationResult(result) { // 'result' is a ResultObject object which has both the module and instance. // receiveInstance() will swap in the exports (to Module.asm) so they can be called assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); trueModule = null; return receiveInstance(result['instance'], result['module']); } var info = getWasmImports(); // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback // to manually instantiate the Wasm module themselves. This allows pages to // run the instantiation parallel to any other async startup actions they are // performing. // Also pthreads and wasm workers initialize the wasm instance through this // path. if (Module['instantiateWasm']) { return new Promise((resolve, reject) => { try { Module['instantiateWasm'](info, (mod, inst) => { receiveInstance(mod, inst); resolve(mod.exports); }); } catch(e) { err(`Module.instantiateWasm callback failed with error: ${e}`); reject(e); } }); } if (ENVIRONMENT_IS_PTHREAD) { return new Promise((resolve) => { wasmModuleReceived = (module) => { // Instantiate from the module posted from the main thread. // We can just use sync instantiation in the worker. var instance = new WebAssembly.Instance(module, getWasmImports()); resolve(receiveInstance(instance, module)); }; }); } wasmBinaryFile ??= findWasmBinary(); try { var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info); var exports = receiveInstantiationResult(result); return exports; } catch (e) { // If instantiation fails, reject the module ready promise. readyPromiseReject(e); return Promise.reject(e); } } // end include: preamble.js // Begin JS library code class ExitStatus { name = 'ExitStatus'; constructor(status) { this.message = `Program terminated with exit(${status})`; this.status = status; } } var terminateWorker = (worker) => { worker.terminate(); // terminate() can be asynchronous, so in theory the worker can continue // to run for some amount of time after termination. However from our POV // the worker now dead and we don't want to hear from it again, so we stub // out its message handler here. This avoids having to check in each of // the onmessage handlers if the message was coming from valid worker. worker.onmessage = (e) => { var cmd = e['data'].cmd; err(`received "${cmd}" command from terminated worker: ${worker.workerID}`); }; }; var cleanupThread = (pthread_ptr) => { assert(!ENVIRONMENT_IS_PTHREAD, 'Internal Error! cleanupThread() can only ever be called from main application thread!'); assert(pthread_ptr, 'Internal Error! Null pthread_ptr in cleanupThread!'); var worker = PThread.pthreads[pthread_ptr]; assert(worker); PThread.returnWorkerToPool(worker); }; var callRuntimeCallbacks = (callbacks) => { while (callbacks.length > 0) { // Pass the module as the first argument. callbacks.shift()(Module); } }; var onPreRuns = []; var addOnPreRun = (cb) => onPreRuns.unshift(cb); var spawnThread = (threadParams) => { assert(!ENVIRONMENT_IS_PTHREAD, 'Internal Error! spawnThread() can only ever be called from main application thread!'); assert(threadParams.pthread_ptr, 'Internal error, no pthread ptr!'); var worker = PThread.getNewWorker(); if (!worker) { // No available workers in the PThread pool. return 6; } assert(!worker.pthread_ptr, 'Internal error!'); PThread.runningWorkers.push(worker); // Add to pthreads map PThread.pthreads[threadParams.pthread_ptr] = worker; worker.pthread_ptr = threadParams.pthread_ptr; var msg = { cmd: 'run', start_routine: threadParams.startRoutine, arg: threadParams.arg, pthread_ptr: threadParams.pthread_ptr, }; if (ENVIRONMENT_IS_NODE) { // Mark worker as weakly referenced once we start executing a pthread, // so that its existence does not prevent Node.js from exiting. This // has no effect if the worker is already weakly referenced (e.g. if // this worker was previously idle/unused). worker.unref(); } // Ask the worker to start executing its pthread entry point function. worker.postMessage(msg, threadParams.transferList); return 0; }; var runtimeKeepaliveCounter = 0; var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0; var stackSave = () => _emscripten_stack_get_current(); var stackRestore = (val) => __emscripten_stack_restore(val); var stackAlloc = (sz) => __emscripten_stack_alloc(sz); /** @type{function(number, (number|boolean), ...number)} */ var proxyToMainThread = (funcIndex, emAsmAddr, sync, ...callArgs) => { // EM_ASM proxying is done by passing a pointer to the address of the EM_ASM // content as `emAsmAddr`. JS library proxying is done by passing an index // into `proxiedJSCallArgs` as `funcIndex`. If `emAsmAddr` is non-zero then // `funcIndex` will be ignored. // Additional arguments are passed after the first three are the actual // function arguments. // The serialization buffer contains the number of call params, and then // all the args here. // We also pass 'sync' to C separately, since C needs to look at it. // Allocate a buffer, which will be copied by the C code. // // First passed parameter specifies the number of arguments to the function. // When BigInt support is enabled, we must handle types in a more complex // way, detecting at runtime if a value is a BigInt or not (as we have no // type info here). To do that, add a "prefix" before each value that // indicates if it is a BigInt, which effectively doubles the number of // values we serialize for proxying. TODO: pack this? var serializedNumCallArgs = callArgs.length * 2; var sp = stackSave(); var args = stackAlloc(serializedNumCallArgs * 8); var b = ((args)>>3); for (var i = 0; i < callArgs.length; i++) { var arg = callArgs[i]; if (typeof arg == 'bigint') { // The prefix is non-zero to indicate a bigint. HEAP64[b + 2*i] = 1n; HEAP64[b + 2*i + 1] = arg; } else { // The prefix is zero to indicate a JS Number. HEAP64[b + 2*i] = 0n; HEAPF64[b + 2*i + 1] = arg; } } var rtn = __emscripten_run_on_main_thread_js(funcIndex, emAsmAddr, serializedNumCallArgs, args, sync); stackRestore(sp); return rtn; }; function _proc_exit(code) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(0, 0, 1, code); EXITSTATUS = code; if (!keepRuntimeAlive()) { PThread.terminateAllThreads(); Module['onExit']?.(code); ABORT = true; } quit_(code, new ExitStatus(code)); } function exitOnMainThread(returnCode) { if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(1, 0, 0, returnCode); _exit(returnCode); } /** @suppress {duplicate } */ /** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => { EXITSTATUS = status; checkUnflushedContent(); if (ENVIRONMENT_IS_PTHREAD) { // implicit exit can never happen on a pthread assert(!implicit); // When running in a pthread we propagate the exit back to the main thread // where it can decide if the whole process should be shut down or not. // The pthread may have decided not to exit its own runtime, for example // because it runs a main loop, but that doesn't affect the main thread. exitOnMainThread(status); throw 'unwind'; } // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down if (keepRuntimeAlive() && !implicit) { var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`; readyPromiseReject(msg); err(msg); } _proc_exit(status); }; var _exit = exitJS; var ptrToString = (ptr) => { assert(typeof ptr === 'number'); // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned. ptr >>>= 0; return '0x' + ptr.toString(16